Home / 18,207,981.40-27,322,469.70-6,856,576.60

Finding the Fourth Proportional to 18,207,981.40, 27,322,469.70 and 6,856,576.60

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Solution

The fourth proportional to 18,207,981.40, 27,322,469.70 and 6,856,576.60 is: 10,288,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,981.40 : 27,322,469.70 = 6,856,576.60 : x
  2. Step 2: Convert to fraction form
    18,207,981.40/27,322,469.70 = 6,856,576.60/x
  3. Step 3: Cross multiply
    18,207,981.40x = 27,322,469.70 × 6,856,576.60
  4. Step 4: Simplify right side
    18,207,981.40x = 187,338,606,399,229
  5. Step 5: Solve for x
    x = 187,338,606,399,229/18,207,981.40
  6. Step 6: Final answer
    x = 10,288,817.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.